162 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			162 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0-only */
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| /*
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|  * isppreview.h
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|  *
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|  * TI OMAP3 ISP - Preview module
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|  *
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|  * Copyright (C) 2010 Nokia Corporation
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|  * Copyright (C) 2009 Texas Instruments, Inc.
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|  *
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|  * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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|  *	     Sakari Ailus <sakari.ailus@iki.fi>
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|  */
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| 
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| #ifndef OMAP3_ISP_PREVIEW_H
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| #define OMAP3_ISP_PREVIEW_H
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| 
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| #include <linux/omap3isp.h>
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| #include <linux/types.h>
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| #include <media/v4l2-ctrls.h>
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| 
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| #include "ispvideo.h"
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| 
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| #define ISPPRV_BRIGHT_STEP		0x1
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| #define ISPPRV_BRIGHT_DEF		0x0
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| #define ISPPRV_BRIGHT_LOW		0x0
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| #define ISPPRV_BRIGHT_HIGH		0xFF
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| #define ISPPRV_BRIGHT_UNITS		0x1
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| 
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| #define ISPPRV_CONTRAST_STEP		0x1
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| #define ISPPRV_CONTRAST_DEF		0x10
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| #define ISPPRV_CONTRAST_LOW		0x0
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| #define ISPPRV_CONTRAST_HIGH		0xFF
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| #define ISPPRV_CONTRAST_UNITS		0x1
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| 
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| /* Additional features not listed in linux/omap3isp.h */
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| #define OMAP3ISP_PREV_CONTRAST		(1 << 17)
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| #define OMAP3ISP_PREV_BRIGHTNESS	(1 << 18)
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| #define OMAP3ISP_PREV_FEATURES_END	(1 << 19)
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| 
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| enum preview_input_entity {
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| 	PREVIEW_INPUT_NONE,
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| 	PREVIEW_INPUT_CCDC,
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| 	PREVIEW_INPUT_MEMORY,
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| };
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| 
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| #define PREVIEW_OUTPUT_RESIZER		(1 << 1)
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| #define PREVIEW_OUTPUT_MEMORY		(1 << 2)
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| 
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| /* Configure byte layout of YUV image */
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| enum preview_ycpos_mode {
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| 	YCPOS_YCrYCb = 0,
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| 	YCPOS_YCbYCr = 1,
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| 	YCPOS_CbYCrY = 2,
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| 	YCPOS_CrYCbY = 3
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| };
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| 
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| /*
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|  * struct prev_params - Structure for all configuration
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|  * @busy: Bitmask of busy parameters (being updated or used)
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|  * @update: Bitmask of the parameters to be updated
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|  * @features: Set of features enabled.
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|  * @cfa: CFA coefficients.
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|  * @csup: Chroma suppression coefficients.
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|  * @luma: Luma enhancement coefficients.
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|  * @nf: Noise filter coefficients.
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|  * @dcor: Noise filter coefficients.
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|  * @gamma: Gamma coefficients.
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|  * @wbal: White Balance parameters.
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|  * @blkadj: Black adjustment parameters.
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|  * @rgb2rgb: RGB blending parameters.
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|  * @csc: Color space conversion (RGB to YCbCr) parameters.
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|  * @hmed: Horizontal median filter.
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|  * @yclimit: YC limits parameters.
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|  * @contrast: Contrast.
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|  * @brightness: Brightness.
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|  */
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| struct prev_params {
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| 	u32 busy;
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| 	u32 update;
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| 	u32 features;
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| 	struct omap3isp_prev_cfa cfa;
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| 	struct omap3isp_prev_csup csup;
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| 	struct omap3isp_prev_luma luma;
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| 	struct omap3isp_prev_nf nf;
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| 	struct omap3isp_prev_dcor dcor;
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| 	struct omap3isp_prev_gtables gamma;
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| 	struct omap3isp_prev_wbal wbal;
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| 	struct omap3isp_prev_blkadj blkadj;
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| 	struct omap3isp_prev_rgbtorgb rgb2rgb;
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| 	struct omap3isp_prev_csc csc;
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| 	struct omap3isp_prev_hmed hmed;
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| 	struct omap3isp_prev_yclimit yclimit;
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| 	u8 contrast;
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| 	u8 brightness;
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| };
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| 
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| /* Sink and source previewer pads */
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| #define PREV_PAD_SINK			0
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| #define PREV_PAD_SOURCE			1
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| #define PREV_PADS_NUM			2
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| 
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| /*
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|  * struct isp_prev_device - Structure for storing ISP Preview module information
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|  * @subdev: V4L2 subdevice
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|  * @pads: Media entity pads
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|  * @formats: Active formats at the subdev pad
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|  * @crop: Active crop rectangle
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|  * @input: Module currently connected to the input pad
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|  * @output: Bitmask of the active output
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|  * @video_in: Input video entity
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|  * @video_out: Output video entity
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|  * @params.params : Active and shadow parameters sets
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|  * @params.active: Bitmask of parameters active in set 0
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|  * @params.lock: Parameters lock, protects params.active and params.shadow
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|  * @underrun: Whether the preview entity has queued buffers on the output
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|  * @state: Current preview pipeline state
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|  *
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|  * This structure is used to store the OMAP ISP Preview module Information.
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|  */
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| struct isp_prev_device {
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| 	struct v4l2_subdev subdev;
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| 	struct media_pad pads[PREV_PADS_NUM];
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| 	struct v4l2_mbus_framefmt formats[PREV_PADS_NUM];
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| 	struct v4l2_rect crop;
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| 
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| 	struct v4l2_ctrl_handler ctrls;
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| 
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| 	enum preview_input_entity input;
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| 	unsigned int output;
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| 	struct isp_video video_in;
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| 	struct isp_video video_out;
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| 
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| 	struct {
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| 		unsigned int cfa_order;
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| 		struct prev_params params[2];
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| 		u32 active;
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| 		spinlock_t lock;
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| 	} params;
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| 
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| 	enum isp_pipeline_stream_state state;
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| 	wait_queue_head_t wait;
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| 	atomic_t stopping;
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| };
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| 
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| struct isp_device;
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| 
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| int omap3isp_preview_init(struct isp_device *isp);
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| void omap3isp_preview_cleanup(struct isp_device *isp);
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| 
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| int omap3isp_preview_register_entities(struct isp_prev_device *prv,
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| 				       struct v4l2_device *vdev);
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| void omap3isp_preview_unregister_entities(struct isp_prev_device *prv);
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| 
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| void omap3isp_preview_isr_frame_sync(struct isp_prev_device *prev);
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| void omap3isp_preview_isr(struct isp_prev_device *prev);
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| 
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| int omap3isp_preview_busy(struct isp_prev_device *isp_prev);
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| 
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| void omap3isp_preview_restore_context(struct isp_device *isp);
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| 
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| #endif	/* OMAP3_ISP_PREVIEW_H */
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